<template>
    <div class="menu-wrapper">
        <template v-for="item in menu">
            <el-menu-item v-if="validatenull(item[childrenKey]) && vaildRoles(item)"
                :index="item[pathKey]"
                @click="open(item)"
                :key="item[labelKey]"
                :class="{'is-active':vaildAvtive(item)}">
                <i :class="item[iconKey]"></i>
                <span slot="title" :alt="item[pathKey]">{{item[labelKey]}}</span>
            </el-menu-item>
            <el-submenu v-else-if="!validatenull(item[childrenKey])&&vaildRoles(item)"
                  :index="item[pathKey]"
                  :key="item[labelKey]">
                <template slot="title">
                    <i :class="item[iconKey]"></i>
                    <span slot="title" :class="{'el-menu--display':collapse && first}">{{item[labelKey]}}</span>
                </template>
                <template v-for="(child,cindex) in item[childrenKey]">
                    <el-menu-item :index="child[pathKey],cindex"
                        @click="open(child)"
                        :class="{'is-active':vaildAvtive(child)}"
                        v-if="validatenull(child[childrenKey])"
                        :key="child[labelKey]">
                        <i :class="child[iconKey]"></i>
                        <span slot="title">{{child[labelKey]}}</span>
                    </el-menu-item>
                    <sidebar-item v-else
                        :menu="[child]"
                        :key="cindex"
                        :props="props"
                        :screen="screen"
                        :collapse="collapse"></sidebar-item>
                </template>
            </el-submenu>
        </template>
    </div>
</template>
<script>
import { mapGetters } from "vuex";
import { validatenull } from "@/util/validate";
import config from "./config.js";
export default {
    name: "sidebarItem",
    data() {
        return {
            config: config
        };
    },
    props: {
        menu: {
            type: Array
        },
        screen: {
            type: Number
        },
        first: {
            type: Boolean,
            default: false
        },
        props: {
            type: Object,
            default: () => {
                return {};
            }
        },
        collapse: {
            type: Boolean
        }
    },
    created() {},
    mounted() {},
    computed: {
        ...mapGetters(["roles"]),
        labelKey() {
            return this.props.label || this.config.propsDefault.label;
        },
        pathKey() {
            return this.props.path || this.config.propsDefault.path;
        },
        iconKey() {
            return this.props.icon || this.config.propsDefault.icon;
        },
        childrenKey() {
            return this.props.children || this.config.propsDefault.children;
        },
        nowTagValue() {
            return this.$router.$avueRouter.getValue(this.$route);
        }
    },
    methods: {
        vaildAvtive(item) {
            const groupFlag = (item["group"] || []).some(ele =>
                this.$route.path.includes(ele)
            );
            return this.nowTagValue === item[this.pathKey] || groupFlag;
        },
        vaildRoles(item) {
            item.meta = item.meta || {};
            return item.meta.roles ? item.meta.roles.includes(this.roles) : true;
        },
        validatenull(val) {
            return validatenull(val);
        },
        open(item) {
            if (this.screen <= 1) this.$store.commit("SET_COLLAPSE");
            this.$router.$avueRouter.group = item.group;
            this.$router.push({
                path: this.$router.$avueRouter.getPath({
                    name: item[this.labelKey],
                    src: item[this.pathKey]
                }),
                query: item.query
            }).catch(() => {});
        }
    }
};
</script>

